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How many degrees does it rotate in one second

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Q1. The sum of two numbers is 84, and one of them is 12 more than the other. What are the two numbers?

Q2. One number is 10 more than another. The sum of twice the smaller plus three times the larger, is 55. What are the two numbers?

Q3. The sum of two consecutive numbers is 37. What are they?

Q4. An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?

Q5. A class average mark in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored below 60?

Reference no: EM132232708

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